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Taking people in BulgariaPhase 2

Tests GXV813 in hospitalized adults with schizophrenia

Tests GXV813 against placebo in hospitalized adults with an acute schizophrenia episode.

Plain-language title generated from the registry record
Registry title: Study to Assess the Safety, Tolerability, and Treatment Response of GXV813 in Hospitalized Adults With Schizophrenia

Key facts

Where
Haskovo, Kazanlak, Lovech, Plovdiv, Sliven, Sofia, Veliko Tarnovo, and Vratsa, BulgariaSee the 8 sites
Phase
Phase 2

Could this be for you?

Answer for yourself. This is not a decision: only the study team can say whether you can take part.

  • Are you between 18 and 65 years old?

Source: NCT07467993, who can take part

Where in Bulgaria

  • HaskovoHaskovo, BulgariaTaking people
  • KazanlakKazanlak, BulgariaTaking people
  • LovechLovech, BulgariaTaking people
  • PlovdivPlovdiv, BulgariaTaking people
  • SlivenSliven, BulgariaTaking people
  • SofiaSofia, BulgariaTaking people
  • Veliko TarnovoVeliko Tarnovo, BulgariaTaking people
  • VratsaVratsa, BulgariaTaking people

Questions to ask the study team

  1. How often do I need to come in, and for how long each time?
  2. Are travel costs paid?
  3. Can I keep my own doctor?
  4. What happens if I want to stop?
Print a page for my doctor

Trial details

Who runs it
Novartis Pharmaceuticals
Trial code
NCT07467993
Record updated
29 July 2026
Original description
The purpose of this study is to assess the efficacy, safety, and tolerability of GXV813 in the treatment of an acute episode of schizophreniaRead full original descriptionShow less

A Phase 2a, Randomized, Participant- and Investigator- Blinded, Parallel-group, Placebo-controlled, Multicenter Study to Assess the Safety, Tolerability, and Treatment Response of GXV813 in Hospitalized Adults With DSM-5 Schizophrenia (STAR-1)

The purpose of this study is to assess the efficacy, safety, and tolerability of GXV813 in the treatment of an acute episode of schizophrenia

Inclusion: Participant is aged 18 to 65 years, inclusive, at screening; Participant is capable of providing informed consent; Participant has a primary diagnosis of schizophrenia, established by a comprehensive psychiatric evaluation based on the DSM-5 (American Psychiatric Association 2013) criteria and confirmed by Structured Clinical Interview for DSM-5 Clinical Trials version (SCID-5-CT); Participant is willing and able to be confined to an inpatient setting for the study duration (except for the follow-up period), follow instructions, and comply with the protocol requirements; Participant is experiencing an acute exacerbation or relapse of psychotic symptoms, with onset less than 2 months before screening; The participant requires hospitalization for this acute exacerbation or relapse of symptoms; If already an inpatient at screening, has been hospitalized for less than 2 weeks for the current exacerbation at the time of screening; Positive and Negative Syndrome Scale total score between 80 and 120, inclusive, at screening a. Score of ≥ 4 (moderate or greater) for ≥ 2 of the following Positive Scale (P) items:; Item 1 (P1; delusions); Item 2 (P2; conceptual disorganization); Item 3 (P3; hallucinatory behavior); Item 6 (P6; suspiciousness/persecution).

Exclusion: Any primary DSM-5 disorder other than schizophrenia within 12 months before screening (confirmed using Structured Clinical Interview for DSM-5, Clinical Trials Version (SCID-5-CT) at screening); History of treatment resistance to antipsychotic medications defined as inadequate response to two adequate courses of pharmacotherapy or previous clozapine treatment for treatment-resistant schizophrenia; Participants who need to be treated with drugs that are known to be moderate and strong CYP3A4 inhibitors and inducers will be excluded; Participants taking a long-acting injectable antipsychotic could not have received a dose of medication in the last 12 weeks (24 weeks for INVEGA TRINZA®) before baseline; Other protocol-defined inclusion/exclusion criteria may apply.

ClinicalTrials.gov NCT07467993